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Finding the Fourth Proportional to 174,029.92, 240,199.92 and 98,620

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Solution

The fourth proportional to 174,029.92, 240,199.92 and 98,620 is: 136,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,029.92 : 240,199.92 = 98,620 : x
  2. Step 2: Convert to fraction form
    174,029.92/240,199.92 = 98,620/x
  3. Step 3: Cross multiply
    174,029.92x = 240,199.92 × 98,620
  4. Step 4: Simplify right side
    174,029.92x = 23,688,516,110.40
  5. Step 5: Solve for x
    x = 23,688,516,110.40/174,029.92
  6. Step 6: Final answer
    x = 136,117.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.